What is the formula to find the area of a rectangle?
Area/Perimeter Review

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•
Mathematics
•
3rd Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Area = length x width
2.
FLASHCARD QUESTION
Front
What is the perimeter of a shape?
Back
The total distance around the shape.
3.
FLASHCARD QUESTION
Front
If a rectangle has a length of 5 cm and a width of 4 cm, what is its area?
Back
Area = 5 x 4 = 20 cm²
4.
FLASHCARD QUESTION
Front
What is the perimeter of a rectangle with a length of 6 cm and a width of 3 cm?
Back
Perimeter = 2(length + width) = 2(6 + 3) = 18 cm
5.
FLASHCARD QUESTION
Front
If a square has a side length of 4 cm, what is its area?
Back
Area = side x side = 4 x 4 = 16 cm²
6.
FLASHCARD QUESTION
Front
What is the area of a triangle with a base of 6 cm and a height of 4 cm?
Back
Area = 1/2 x base x height = 1/2 x 6 x 4 = 12 cm²
7.
FLASHCARD QUESTION
Front
If the perimeter of a rectangle is 24 cm and the length is 10 cm, what is the width?
Back
Perimeter = 2(length + width) => 24 = 2(10 + width) => width = 2 cm
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